A spoonerism is a pair of words that can have their initial sounds switched to form new words. The pairs need only sound the same, not necessarily be spelled the same (power saw & sour paw, horse cart & coarse heart). There may sometimes be one or two connecting words (kick the stone & stick the cone, king of the rats & ring of the cats). Given the following definitions, what are the spoonerisms?

1) a lock's companion and a bright-colored tropical bird & a vegetable and a vegetable
2) a chilly tome & a courageous chef
3) a mournful song & a spoiled cold dish of vegetables served with dressing
4) an excavation of an underground ore deposit in Geneva & the winner of a beauty pageant sponsored by pig farmers